查询词典 frequency response

Proprietary expanded teflon dielectric flattens frequency response for superior picture and sound.

专有扩展聚四氟乙烯绝缘平展提供卓越的图像和声音的频率响应。

The finite element method and electro mechano acoustic method are used to analyse the mechanical performance,sensitivity,and frequency response of the condenser microphone .

针对所研制的电容式微传声器在理想模式下的工作原理，建立了有限元分析模型和声电模型，从理论上分析了器件的机械性能、灵敏度以及频响特性，得出了结构优化的设计原则，即要想得到高灵敏度的微传声器器件，必须考虑采用尽可能小的空气隙厚度和声学孔尺寸以及具有较小内应力的声学振膜。

It features ultra-low noise import pulp Senate carbon fiber, rigid speaker cone greatly strengthened, the effective bandwidth within a more flat frequency response, the unit used aluminum frame and aluminum wire voice coil. Shaker skeleton of the United States military material, light weight, high efficiency, so that the audio sound pressure increased significantly.

超低音单元采用进口纸浆参碳纤维，纸盆刚性大大加强，在有效的频宽内有更平坦的频率回应，单元采用铝盆架和铝扁线音圈，音圈骨架为美国军事物料制造，品质轻，效率高，使音频的声压大幅度提高，更具爆发力，灵敏度极高，低音磁路采用高效率的冷却系统，保证了。

It features ultra-low noise import pulp Senate carbon fiber, rigid speaker cone greatly strengthened, the effective bandwidth within a more flat frequency response, the unit used aluminum frame and aluminum wire voice coil. Shaker skeleton of the United States military material, light weight, high efficiency, so that the audio sound pressure increased significantly.

超低音單元採用進口紙漿參碳纖維，紙盆剛性大大加強，在有效的頻寬內有更平坦的頻率回應，單元採用鋁盆架和鋁扁線音圈，音圈骨架為美國軍事物料製造，品質輕，效率高，使音頻的聲壓大幅度提高，更具爆發力，靈敏度極高，低音磁路採用高效率的冷卻系統，保證了。

The formulation of design sensitivity of natural fnequencies and frequency response function is derived with respect to design parameters induding stiffness of shafts, average gear meshing stiffness, damping constant and inertia of gears etc.

推导了系统扭振固有频率及频响函数相对于设计参数的灵敏度计算公式，这些设计参数可以是轴的扭转刚度、齿轮平均啮合刚度、阻尼及齿轮转动惯量等。

Therefore, the hybrid method was adopted to determine the equivalent material properties. In this paper, the modal testing and numerical analysis were applied to obtain the Frequency Response Function and to calculate the equivalent spring constant and damping ratio of the suspension.

因此本文针对汽车悬吊部分，先以模态试验法与数值分析方法，将悬吊部分以线性弹簧及阻尼来模拟，并使用混合法，结合实验与数值之结果进行参数调整，在此是以FRF Base 来实施参数调整，确立悬吊系统的等效弹簧系数与阻尼系数。

A method to identify the damping parameters of machine joint surface is proposed based on the tested frequency response functions.

提出一种基于实测传递函数矩阵来识别机械结合面阻尼参数的新方法。

A method to identify the damping parameter s of machine joint surface is proposed based on the tested frequency response functions.

提出一种基于实测传递函数矩阵来识别机械结合面阻尼参数的新方法。

There are three parts included. The first part is the prepositive-amplifier, it gets broadband high gain and flat frequency response. The second part is the U band quadrupler, which composed of two doublers using a PHEMT chip HMMC-5040, a Schottky diode of DMK-2790, a HMMC-5040 amplifier, and a fin-line transitional stage. Maximum output power higher than 60mW is obtained in V band. The third part is a 2nd harmonic gunn oscillator injection locked by the Fundamental Wave,which get about 2GHz locked bandwidth in W band.

电路主要由三部分组成，第一部分为采用HMMC-5618设计的前置放大器，实现了宽带高增益和平坦的频率响应；第二部分为设计的主体，由HMMC-5040设计的二倍频器、DMK-2790设计的二倍频器、HMMC-5040设计的放大器及鳍线过渡段组成的U波段四倍频器，在U波段实现了最高60mW以上的输出功率；第三部分为基波注入锁定谐波Gunn振荡器，在W波段实现了近2GHz锁定带宽。

Note: The impact pulse width and frequency response range are difference with the hammer and its material.

注：冲击脉宽及频率响应范围随锤头及其材料不同而有所不同。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐